/* ── Reset & Base ─────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg:          #0b0f1a;
  --surface:     #131825;
  --surface-2:   #1a2035;
  --surface-3:   #212842;
  --border:      rgba(255, 255, 255, 0.06);
  --text:        #e8ecf4;
  --text-dim:    #7a839b;
  --sale:        #00c896;
  --sale-soft:   rgba(0, 200, 150, 0.12);
  --sale-glow:   rgba(0, 200, 150, 0.25);
  --expense:     #f45b69;
  --expense-soft:rgba(244, 91, 105, 0.12);
  --expense-glow:rgba(244, 91, 105, 0.25);
  --accent:      #6c5ce7;
  --warning:     #f0a500;
  --warning-soft:rgba(240, 165, 0, 0.12);
  --approved:    #00c896;
  --rejected:    #f45b69;
  --pending:     #f0a500;
  --radius:      14px;
  --radius-sm:   10px;
  --radius-xs:   8px;
  --shadow:      0 4px 24px rgba(0,0,0,0.35);
  --transition:  0.25s cubic-bezier(.4,0,.2,1);
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg); color: var(--text);
  min-height: 100dvh; overflow-x: hidden;
}

/* ── App Shell ───────────────────────────────────── */
.app-shell {
  position: relative;
  max-width: 520px; margin: 0 auto;
  min-height: 100dvh;
  display: flex; flex-direction: column;
  overflow: hidden;
}

/* ── Ambient Glows ───────────────────────────────── */
.glow {
  position: absolute; border-radius: 50%;
  filter: blur(110px); opacity: 0.25;
  pointer-events: none; z-index: 0;
  animation: pulse 8s ease-in-out infinite alternate;
}
.glow-1 { width: 280px; height: 280px; background: var(--warning); top: -60px; right: -40px; }
.glow-2 { width: 240px; height: 240px; background: var(--accent);  bottom: 80px; left: -60px; }

@keyframes pulse {
  0%   { transform: scale(1);    opacity: 0.25; }
  100% { transform: scale(1.15); opacity: 0.12; }
}

/* ── Top Bar ─────────────────────────────────────── */
.top-bar {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; gap: 12px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.back-btn {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  text-decoration: none;
  transition: background var(--transition);
}
.back-btn:hover { background: var(--surface-2); }
.top-bar h1 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.02em; }

/* ── Role Switcher ───────────────────────────────── */
.role-switcher {
  display: flex; gap: 4px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 3px;
}
.role-btn {
  display: flex; align-items: center; gap: 5px;
  padding: 6px 12px;
  font-family: inherit; font-size: 0.72rem; font-weight: 600;
  color: var(--text-dim); background: transparent;
  border: none; border-radius: 20px; cursor: pointer;
  transition: all var(--transition); user-select: none;
}
.role-btn.active {
  background: var(--accent); color: #fff;
}
.role-btn svg { flex-shrink: 0; }

/* ── Access Denied ───────────────────────────────── */
.access-denied {
  display: none;
  position: absolute; inset: 0; z-index: 10;
  background: rgba(11, 15, 26, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  place-items: center;
}
.access-denied.show { display: grid; }

.denied-card {
  text-align: center; padding: 40px 32px;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
}
.denied-icon {
  width: 80px; height: 80px;
  display: grid; place-items: center;
  background: var(--expense-soft); border-radius: 50%;
  color: var(--expense);
  animation: lockBounce 0.5s cubic-bezier(.22,1,.36,1);
}
@keyframes lockBounce {
  0%   { transform: scale(0.5); opacity: 0; }
  60%  { transform: scale(1.1); }
  100% { transform: scale(1);   opacity: 1; }
}
.denied-card h2 {
  font-size: 1.15rem; font-weight: 700;
}
.denied-card p {
  font-size: 0.88rem; color: var(--text-dim); line-height: 1.55; max-width: 280px;
}
.denied-cta {
  margin-top: 8px; padding: 10px 22px;
  font-family: inherit; font-size: 0.85rem; font-weight: 600;
  color: var(--accent); background: transparent;
  border: 1.5px solid var(--accent); border-radius: 22px;
  text-decoration: none;
  transition: all var(--transition);
}
.denied-cta:hover { background: var(--accent); color: #fff; }

/* ── Stats Bar ───────────────────────────────────── */
.stats-bar {
  display: flex; align-items: center; justify-content: center;
  gap: 20px; padding: 14px 20px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius);
}
.stat { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.stat-num {
  font-size: 1.4rem; font-weight: 800; color: var(--pending);
}
.stat-num.stat-approved { color: var(--approved); }
.stat-num.stat-rejected { color: var(--rejected); }
.stat-label {
  font-size: 0.68rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--text-dim);
}
.stat-divider {
  width: 1px; height: 32px; background: var(--border);
}

/* ── Tab Bar ─────────────────────────────────────── */
.tab-bar {
  display: flex; gap: 6px;
}
.tab {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 11px 0;
  font-family: inherit; font-size: 0.82rem; font-weight: 600;
  color: var(--text-dim); background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-xs);
  cursor: pointer; transition: all var(--transition); user-select: none;
}
.tab.active {
  background: var(--surface-2); color: var(--text);
  border-color: rgba(255,255,255,0.1);
}
.tab[data-status="pending"].active  { border-bottom: 2px solid var(--pending); }
.tab[data-status="approved"].active { border-bottom: 2px solid var(--approved); }
.tab[data-status="rejected"].active { border-bottom: 2px solid var(--rejected); }

.tab-badge {
  padding: 2px 8px; font-size: 0.68rem; font-weight: 700;
  background: var(--warning-soft); color: var(--warning);
  border-radius: 12px;
}

/* ── Approvals Body ──────────────────────────────── */
.approvals-body {
  position: relative; z-index: 2; flex: 1;
  padding: 4px 20px 32px;
  display: flex; flex-direction: column; gap: 16px;
  overflow-y: auto;
}

/* ── Transaction List ────────────────────────────── */
.txn-list { display: flex; flex-direction: column; gap: 10px; }

.txn-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px;
  display: flex; flex-direction: column; gap: 12px;
  transition: transform var(--transition), box-shadow var(--transition);
  animation: cardIn 0.35s cubic-bezier(.22,1,.36,1) both;
}
.txn-card:hover {
  transform: translateY(-1px); box-shadow: var(--shadow);
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card-top {
  display: flex; align-items: center; gap: 12px;
}
.card-type-dot {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}
.card-type-dot.sale   { background: var(--sale);   box-shadow: 0 0 8px var(--sale-glow); }
.card-type-dot.expense { background: var(--expense); box-shadow: 0 0 8px var(--expense-glow); }

.card-info { flex: 1; min-width: 0; }
.card-category {
  font-size: 0.92rem; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.card-meta {
  display: flex; gap: 10px; margin-top: 3px;
  font-size: 0.72rem; color: var(--text-dim); font-weight: 500;
}

.card-amount { font-size: 1.15rem; font-weight: 800; flex-shrink: 0; }
.card-amount.sale   { color: var(--sale); }
.card-amount.expense { color: var(--expense); }

.card-note {
  font-size: 0.8rem; color: var(--text-dim); line-height: 1.4;
  padding: 8px 12px;
  background: var(--surface-2); border-radius: var(--radius-xs);
}

.card-status-bar {
  display: flex; align-items: center; gap: 8px;
}
.status-pill {
  padding: 4px 12px;
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.04em; border-radius: 20px;
}
.status-pill.pending  { background: var(--warning-soft); color: var(--pending); }
.status-pill.approved { background: var(--sale-soft);    color: var(--approved); }
.status-pill.rejected { background: var(--expense-soft); color: var(--rejected); }

.card-actions {
  display: flex; gap: 8px; margin-left: auto;
}
.action-btn {
  display: flex; align-items: center; gap: 5px;
  padding: 7px 16px;
  font-family: inherit; font-size: 0.78rem; font-weight: 600;
  border: none; border-radius: var(--radius-xs);
  cursor: pointer; transition: all var(--transition);
}
.btn-approve {
  background: var(--sale-soft); color: var(--sale);
}
.btn-approve:hover {
  background: var(--sale); color: #fff;
  box-shadow: 0 2px 12px var(--sale-glow);
}
.btn-reject {
  background: var(--expense-soft); color: var(--expense);
}
.btn-reject:hover {
  background: var(--expense); color: #fff;
  box-shadow: 0 2px 12px var(--expense-glow);
}

.card-resolved {
  font-size: 0.72rem; color: var(--text-dim); margin-left: auto; font-weight: 500;
}

/* slide out animation */
.txn-card.removing {
  animation: cardOut 0.35s cubic-bezier(.4,0,.2,1) forwards;
}
@keyframes cardOut {
  to { opacity: 0; transform: translateX(60px) scale(0.95); height: 0; padding: 0; margin: 0; overflow: hidden; }
}

/* ── Empty State ─────────────────────────────────── */
.empty-state {
  display: none; flex-direction: column; align-items: center; gap: 12px;
  padding: 40px 16px; text-align: center; color: var(--text-dim);
}
.empty-state.show { display: flex; }
.empty-state svg { opacity: 0.25; }
.empty-state p { font-size: 0.9rem; font-weight: 500; }

/* ── Confirm Modal ───────────────────────────────── */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 50;
  background: rgba(11, 15, 26, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  place-items: center;
}
.modal-overlay.show { display: grid; }

.modal-card {
  width: 90%; max-width: 360px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 28px 24px;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  text-align: center;
  animation: modalIn 0.3s cubic-bezier(.22,1,.36,1);
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.9) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 50%;
}
.modal-icon.approve { background: var(--sale-soft);    color: var(--sale); }
.modal-icon.reject  { background: var(--expense-soft); color: var(--expense); }

.modal-card h3 { font-size: 1rem; font-weight: 700; }
.modal-card p  { font-size: 0.85rem; color: var(--text-dim); line-height: 1.5; }

.modal-details {
  width: 100%; padding: 10px 14px;
  background: var(--surface-2); border-radius: var(--radius-xs);
  font-size: 0.82rem; font-weight: 500; text-align: left;
  display: flex; flex-direction: column; gap: 4px;
}
.modal-detail-row { display: flex; justify-content: space-between; }
.modal-detail-label { color: var(--text-dim); }
.modal-detail-val { font-weight: 600; }

.modal-actions { display: flex; gap: 10px; width: 100%; margin-top: 4px; }
.modal-btn {
  flex: 1; padding: 12px;
  font-family: inherit; font-size: 0.88rem; font-weight: 600;
  border: none; border-radius: var(--radius-sm);
  cursor: pointer; transition: all var(--transition);
}
.modal-cancel {
  background: var(--surface-2); color: var(--text);
}
.modal-cancel:hover { background: var(--surface-3); }
.modal-confirm.approve-action {
  background: linear-gradient(135deg, #00b386, var(--sale));
  color: #fff; box-shadow: 0 2px 12px var(--sale-glow);
}
.modal-confirm.approve-action:hover { box-shadow: 0 4px 20px var(--sale-glow); }
.modal-confirm.reject-action {
  background: linear-gradient(135deg, #e14553, var(--expense));
  color: #fff; box-shadow: 0 2px 12px var(--expense-glow);
}
.modal-confirm.reject-action:hover { box-shadow: 0 4px 20px var(--expense-glow); }

/* ── Toast ───────────────────────────────────────── */
.toast {
  position: fixed; bottom: 28px; left: 50%;
  transform: translateX(-50%) translateY(120px);
  display: flex; align-items: center; gap: 10px;
  padding: 14px 24px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 0.9rem; font-weight: 600;
  color: var(--text); box-shadow: var(--shadow);
  z-index: 100; opacity: 0;
  transition: transform 0.4s cubic-bezier(.22,1,.36,1), opacity 0.4s ease;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast-icon { flex-shrink: 0; }
.toast-icon.green { color: var(--sale); }
.toast-icon.red   { color: var(--expense); }

/* ── Responsive ──────────────────────────────────── */
@media (min-width: 560px) {
  .app-shell {
    margin-top: 24px; margin-bottom: 24px;
    min-height: calc(100dvh - 48px);
    border: 1px solid var(--border); border-radius: 24px;
    background: rgba(19, 24, 37, 0.6);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 12px 48px rgba(0,0,0,0.5);
  }
}

/* Scrollbar */
.approvals-body::-webkit-scrollbar { width: 4px; }
.approvals-body::-webkit-scrollbar-track { background: transparent; }
.approvals-body::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 4px; }

/* ── User session chip in top-bar ────────────────────────── */
.user-session-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
}
.session-role-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
  text-transform: capitalize;
  letter-spacing: 0.03em;
}
.session-role-badge.admin { background: rgba(79,137,220,0.18); color: #7db3f5; }
.session-role-badge.staff { background: rgba(100,200,120,0.15); color: #86efac; }
.session-logout-btn {
  font: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(239,68,68,.1);
  border: 1px solid rgba(239,68,68,.25);
  color: #fca5a5;
  border-radius: 7px;
  padding: 4px 10px;
  cursor: pointer;
}
.session-logout-btn:hover { background: rgba(239,68,68,.2); }